[meteorite-list] Item #2175659927 - What IF it is Iron-shale?

From: Steven Drummond <jesserd44_at_meteoritecentral.com>
Date: Thu Apr 22 10:25:43 2004
Message-ID: <000e01c32187$7a34fb60$6401a8c0_at_charterpipeline.net>

Hi Robert and list, What about Hoba then ? I see Hoba Shale offered
as meteorites from some very well known dealers that call their pieces
"meteoric iron shale". No offence intended, I am happy with what I have
bought .
     Regards, Steven Drummond
----- Original Message -----
From: "Robert Verish" <bolidechaser_at_yahoo.com>
To: "Meteorite-list Meteoritecentral" <meteorite-list_at_meteoritecentral.com>
Cc: "Russell Kempton" <meteor_at_xensei.com>
Sent: Friday, May 23, 2003 3:53 PM
Subject: [meteorite-list] Item #2175659927 - What IF it is Iron-shale?


> Hello List,
>
> Bottom line is - we don't appear to have a consensus
> opinion on whether "iron-shale" can be called
> "meteoritic", or not.
>
> I can recall some recent incidents in which the
> offered "iron-shale" was considered to be
> NON-meteoritic, and hence, was considered as being
> falsely advertised. But the problem is - a couple of
> decades ago reputable meteorite scientist were
> offering to the general public fragments of iron-shale
> as "meteorites". Now, some of these same specimens
> are coming out of old collections and onto eBay, and
> of course the seller calls them "meteorites".
>
> And of course, knowledgeable collectors are then up in
> arms, but these uninformed eBay sellers are left to
> scratch their heads and wonder why the old label says
> "meteorite". Or why, when the iron-shale is still
> attached to the rind of the iron mass, it is
> considered a "meteorite", but when it gets knocked-off
> it NOW ISN'T meteoritic?
>
> (As an aside, there are widely varying kinds of
> iron-shale - from the light, non-magnetic porous
> limonite of Santa Catharina specimens - to the densely
> compact goethite of Nantan and Wolf Creek - on to the
> dark, highly magnetic hematite/magnetite of Canyon
> Diablo!
> I have cut&polished some of these CD specimens and
> found intact nickel, schriebersite and troilite
> grains!)
>
> Where do we draw the line between weathered meteorite
> and completely terrestrialized; between W6 and fossil
> or relict meteorites? Have we ever? Do we need to?
>
> But if we can't come to a general consensus on the
> matter of, "iron-shale - is it meteoritic or not",
> those of us who get involved with these "uninformed
> eBay sellers" should continue to lend assistance in a
> helpful manner, as we have been, and never in an
> accusatory tone, and with the understanding that there
> will be problems with terminology.
>
> (Besides, if the people at eBay get involved with
> this, will they see the distinction between
> "iron-shale" and "meteorite"? Or will they look upon
> the List as a source of interference with their
> auctions?)
>
> Here is a short list of web pages that describe where
> we (as collectors) stand on the issue of "Iron-shale":
>
> JM meteorite collection - iron meteorites
> ... Odessa iron shale. Sample: 462 gr. This sample is
> iron shale found in1960's next to a big meteorite from
> one of those smaller craters. ...
> http://www.netppl.fi/~jarmom/geo/col/met_iron.htm
>
>
> Meteorite Iron
> ... about 1t have been collected so far, as well as
> loads and loads of iron shale. ... Sikhote-Alin
> is the most tremendous fall of an iron meteorite ever
> to have been ...
> http://www.meteorite-martin.de/english/iron_en.html
>
>
> Meteorite Stony Iron
> ... specimen of a pallasite, surrounded by 900kg of
> iron shale. ... is very ancient, so that its iron and
> olivine ... Later on, this meteorite fell into
> oblivion, and it ...
> http://www.meteorite-martin.de/english/stoneiron_en.html
>
>
>
> Willamette, Clackamas Co., Oregon (USA) (Iron-shale
> from this ...
> ... This material is guaranteed as follows: (1) This
> is known as meteorite oxide or "iron-shale"
> and is referred to as such in the Catalogue of
> Meteorites, 5th ed. ...
> http://home.earthlink.net/~capricorn89/willamette.htm
>
>
> Lake Murray Meteorite photos
> ... Lake Murray is an iron meteorite, IIB, of extreme
> terrestrial age, found in Carter County, Oklahoma ...
> of oxidized iron shale was found around the remaining
> 600 lb ...
> http://www.meteorlab.com/METEORLAB2001dev/
> labphoto/LakeMurray.htm
>
>
> Meteorite.fr - Basics - Meteorite Charts
> ... The oldest intact meteorite is the Lake Murray
> iron. A single mass with a thick iron-shale was found
> in a gully in Oklahoma, USA, in 1933. ...
> http://www.meteorite.fr/en/basics/charts.htm
>
>
> New Lands: Part 2 Chapter 21
> ... gouged by one super-meteorite is that in it and
> around it at least three kinds of
> meteorites have been found: they are irons, masses of
> iron-shale, and shale ...
> http://www.sacred-texts.com/fort/lands/lands221.htm
>
>
> Meteorite - MARE History
> ... that by now at least 1,200 kg iron meteorite
> fragments have ... years, ranges from virtually
> no removal of iron to complete disintegration to
> shale-balls. ...
> http://www.flash.net/~meteors/Henbury.htm
>
>
> Monturaqui Iron Shale - Which Classification?
> [meteorite-list] Monturaqui Iron Shale - Which
> Classification? ... Previous message:
> [meteorite-list] Monturaqui Iron Shale - Which
> Classification? ...
> http://www.pairlist.net/pipermail/meteorite-list/2002-March/010116.html
>
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Received on Fri 23 May 2003 08:00:24 PM PDT